Andersen Group Inc. reported on December 16, 2025, that it has entered several agreements related to its IPO, including agreements with AT Umbrella LLC, and appointed two new directors, Dorice Pepin and Joseph Karczewski, to its board. The company completed its IPO on December 18, 2025, pricing 12,650,000 shares at $16 each, using the proceeds for acquisitions and general corporate purposes.